This is a fundraiser to raise money for worthy causes.
Here's some more information about it:
Hi everyone! So looks like I'm staying in Thailand over Christmas, and running a 10K in the process! Myself and fellow volunteers are running to raise money for the project:
The money is going towards helping mahouts and elephant owners return to their community in northern Thailand and bring their elephants back to live in the forest avoiding work in circus shows and street begging.
Please support the organizer's efforts by donating to one of the projects below.